ch01-12: clean up by @eumiro

01-data-model/vector2d.doctest

@@ -0,0 +1,12 @@
+>>> from vector2d import Vector
+>>> v1 = Vector(2, 4)
+>>> v2 = Vector(2, 1)
+>>> v1 + v2
+Vector(4, 5)
+>>> v = Vector(3, 4)
+>>> abs(v)
+5.0
+>>> v * 3
+Vector(9, 12)
+>>> abs(v * 3)
+15.0

01-data-model/vector2d.py

@@ -29,7 +29,7 @@ Scalar multiplication::
 """
 
 
-from math import hypot
+import math
 
 class Vector:
 
@@ -41,7 +41,7 @@ class Vector:
         return f'Vector({self.x!r}, {self.y!r})'
 
     def __abs__(self):
-        return hypot(self.x, self.y)
+        return math.hypot(self.x, self.y)
 
     def __bool__(self):
         return bool(abs(self))